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'''
@paper: GAN Prior Embedded Network for Blind Face Restoration in the Wild (CVPR2021)
@author: yangxy (yangtao9009@gmail.com)
'''
import os
import cv2
import glob
import time
import numpy as np
from PIL import Image
import __init_paths
from face_model.face_gan import FaceGAN
class FaceColorization(object):
def __init__(self, base_dir='./', size=1024, out_size=None, model=None, channel_multiplier=2, narrow=1, key=None, device='cuda'):
self.facegan = FaceGAN(base_dir, size, out_size, model, channel_multiplier, narrow, key, device=device)
# make sure the face image==well aligned. Please refer to face_enhancement.py
def process(self, gray):
# colorize the face
out = self.facegan.process(gray)
return out
if __name__=='__main__':
model = {'name':'GPEN-1024-Color', 'size':1024}
indir = 'examples/grays'
outdir = 'examples/couts'
os.makedirs(outdir, exist_ok=True)
facecolorizer = FaceColorization(size=model['size'], model=model['name'])
files = sorted(glob.glob(os.path.join(indir, '*.*g')))
for n, file in enumerate(files[:]):
filename = os.path.basename(file)
grayf = cv2.imread(file, cv2.IMREAD_GRAYSCALE)
grayf = cv2.cvtColor(grayf, cv2.COLOR_GRAY2BGR) # channel: 1->3
colorf = facecolorizer.process(grayf)
colorf = cv2.resize(colorf, (grayf.shape[1], grayf.shape[0]))
cv2.imwrite(os.path.join(outdir, '.'.join(filename.split('.')[:-1])+'.jpg'), grayf)
cv2.imwrite(os.path.join(outdir, '.'.join(filename.split('.')[:-1])+'_COMP.jpg'), np.hstack((grayf, colorf)))
cv2.imwrite(os.path.join(outdir, '.'.join(filename.split('.')[:-1])+'_GPEN.jpg'), colorf)
if n%10==0: print(n, file)
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